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run code in 200+ php & hhvm versions
Bugs & Features
<?php $array = array(3,2,1); function sortfunction($a, $b){ if ($a < $b) return 0; else return 1; } usort($array, 'sortfunction'); var_dump($array);
Output for 4.3.0 - 7.2.0
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) }